BIRD 43 Manuel utilisateur

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Wattmètre Bird 43 : Manuel d'Utilisation et IA Chat | Fixfr
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User questions

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Michael G.

How can I measure the power in SSB mode using the device?

The provided document does not contain specific instructions on how to measure power in SSB (Single Sideband) mode. It offers general guidance on measuring forward and reflected power, which might be adaptable for SSB, but this is not explicitly stated. When attempting to measure power in SSB, it is important to be cautious when applying general measurement techniques, as the specific characteristics of SSB transmissions might require a different approach.

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Michael W.

What specific topics are covered in the BIRD 43 wattmeter user manual?

The BIRD 43 wattmeter user manual details the composition of a measurement kit, the use of the wattmeter, and the calculation of the Standing Wave Ratio (SWR).

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John V.

How is ROS (Standing Wave Ratio) calculated, and what value is considered incorrect?

ROS (SWR) is calculated using direct power and reflected power. A ROS greater than 1.5 is generally considered incorrect, corresponding to a 4% power return to the transmitter. A correct ROS measured at the transmitter does not necessarily indicate that the ROS is correct at the antenna.

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